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December 21, 2014

December 21, 2014

Posted by **Candice** on Monday, October 22, 2012 at 9:28am.

x= 5 + 8sin2t + 6cos2t

1. Find the period and amplitude of the particle.

2. Find the greatest speed of the particle.

Could you please explain the steps on how to get to the answer?

thanks!

- maths urgent please -
**Steve**, Monday, October 22, 2012 at 10:22amAs you have surely learned,

a cos kx + b sin kx has

period 2pi/k

amplitude √(a^2+b^2)

plug and chug.

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